William Aslet is a researcher in architectural history at Worcester College, Oxford.

The Quire, Westminster Abbey.
York Watergate, built in 1626
Inside Banqueting House, London, with a view of the series of canvases painted by Rubens in 1635.
Central Park Tower and the Steinway Tower on Billionaires’ Row in New York City.
View of the Colosseum (c. 1550), by Hieronymus Cock, after the circle of Domenico Ghirlandaio. Sir John Soane’s Museum, London
Street smarts: a gas lamp in the City of Westminster.
View Near Norwich with Harvesters (detail; 1810–21), John Crome.
The Spanish Steps starring alongside Audrey Hepburn and Gregory Peck in Roman Holiday (1953).
Cover of Follies: An Architectural Journey by Rory Fraser
Photo: Longs Peak/Wikimedia Commons (CC BY-SA 3.0)
The interior of St Martin-in-the-Fields, showing the plasterwork ceiling made by Giuseppe Artari and Giovanni Battista Bagutti.